-2+-s=-7

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Solution for -2+-s=-7 equation: 



-2+-s=-7

We move all terms to the left:

-2+-s-(-7)=0

We add all the numbers together, and all the variables

-1s+5=0

We move all terms containing s to the left, all other terms to the right

-s=-5

s=-5/-1

s=+5

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